Make separate requirements.txt for Py2.6

.gitlab-ci.yml

@@ -13,6 +13,21 @@ Python 2.6:
     reports:
       junit: test/pytest.xml
 
+Python 2.6:
+  script:
+  - py_version=2.6
+  - curl -L -O -k https://gitlab.tiker.net/inducer/ci-support/raw/master/build-and-test-py-project.sh
+  - export REQUIREMENTS_TXT=requirements.dev-2.6.txt
+  - ". ./build-and-test-py-project.sh"
+  tags:
+  - python2.6
+  - linux
+  except:
+  - tags
+  artifacts:
+    reports:
+      junit: test/pytest.xml
+
 Python 2.7:
   script:
   - py_version=2.7

requirements.dev-2.6.txt

@@ -0,0 +1,11 @@
+codecov==2.0.5
+coverage==4.3.4
+pbr==2.0.0
+py==1.4.33
+Pygments==2.2.0
+pytest==3.0.7
+pytest-cov==2.4.0
+pytest-mock==1.6.0
+requests==2.13.0
+six==1.10.0
+urwid==1.3.1